🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.44 AU - 0.72 AU

Year: 155 Days

Day: 14.6 Hours

Environment

Temp: 259 °C

Axial Tilt: 17 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.62 AU - 0.88 AU

Year: 228 Days

Day: 40.8 Hours

Environment

Temp: 187 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.05 AU - 1.25 AU

Year: 433 Days

Day: 37 Hours

Environment

Temp: 37 °C

Axial Tilt: 32.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.13 AU - 1.25 AU

Year: 456 Days

Day: 27.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.29 AU - 1.43 AU

Year: 557 Days

Day: 14.2 Hours

Environment

Temp: -7 °C

Axial Tilt: 8.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.98 AU - 3.38 AU

Year: 1993 Days

Day: 43.5 Hours

Environment

Temp: -102 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.53 AU - 4.07 AU

Year: 2603 Days

Day: 40.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426

Radius: 12

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.67 AU - 10.71 AU

Year: 10601 Days

Day: 8.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,380,808 km

• M1: 149,299 km (0.074 R)
• M2: 735,274 km (0.082 R)
• M3: 1,436,588 km (0.089 R)
• M4: 2,882,601 km (0.103 R)
• M5: 5,197,628 km (0.068 R)
• M6: 5,972,994 km (0.069 R)
• M7: 7,673,473 km (0.076 R)
• M8: 8,462,752 km (0.113 R)
• M9: 9,214,032 km (0.107 R)
• M10: 12,170,535 km (0.046 R)
• M11: 12,558,891 km (0.074 R)
• M12: 13,128,111 km (0.077 R)
• M13: 14,876,461 km (0.049 R)
• M14: 16,571,704 km (0.118 R)
• M15: 17,326,425 km (0.112 R)
• M16: 18,032,228 km (0.079 R)
• M17: 20,265,126 km (0.112 R)
• M18: 20,732,918 km (0.048 R)
• M19: 22,927,818 km (0.09 R)
• M20: 24,650,588 km (0.037 R)
• M21: 25,363,421 km (0.04 R)
• M22: 26,458,179 km (0.033 R)
• M23: 31,464,920 km (0.078 R)
• M24: 39,559,212 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.6

Radius: 4.7

Gravity: 29.86 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 14.15 AU - 22.23 AU

Year: 27266 Days

Day: 20.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 92,380,808 km

• M1: 58,493 km (0.068 R)
• M2: 389,104 km (0.109 R)
• M3: 963,261 km (0.119 R)
• M4: 1,241,363 km (0.051 R)
• M5: 2,808,850 km (0.097 R)
• M6: 3,257,045 km (0.109 R)
• M7: 3,623,410 km (0.057 R)
• M8: 4,050,811 km (0.119 R)
• M9: 4,849,514 km (0.083 R)
• M10: 5,124,325 km (0.084 R)
• M11: 5,534,972 km (0.103 R)
• M12: 7,095,726 km (0.069 R)
• M13: 7,296,786 km (0.045 R)
• M14: 8,754,916 km (0.087 R)
• M15: 10,078,259 km (0.093 R)
• M16: 10,853,774 km (0.09 R)
• M17: 13,265,741 km (0.089 R)
• M18: 13,571,070 km (0.12 R)
• M19: 14,354,963 km (0.099 R)
• M20: 16,271,760 km (0.099 R)
• M21: 17,609,764 km (0.107 R)
• M22: 19,116,065 km (0.117 R)
• M23: 19,407,781 km (0.119 R)
• M24: 20,502,837 km (0.108 R)
• M25: 22,061,497 km (0.116 R)
• M26: 26,002,055 km (0.114 R)
• M27: 26,842,795 km (0.108 R)
• M28: 29,087,511 km (0.058 R)
• M29: 32,408,434 km (0.036 R)
• M30: 37,469,629 km (0.12 R)
• M31: 40,585,753 km (0.095 R)
• M32: 41,229,024 km (0.05 R)
• M33: 41,390,888 km (0.05 R)
• M34: 43,033,024 km (0.114 R)
• M35: 48,040,065 km (0.094 R)
• M36: 49,304,317 km (0.114 R)
• M37: 50,962,011 km (0.091 R)
• M38: 52,847,243 km (0.098 R)
• M39: 56,157,694 km (0.048 R)
• M40: 61,484,126 km (0.113 R)
• M41: 78,465,878 km (0.071 R)
• M42: 79,213,269 km (0.081 R)
• M43: 86,951,518 km (0.115 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 14,858 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit